55856146 has 16 divisors (see below), whose sum is σ = 86851800. Its totient is φ = 26909568.

The previous prime is 55856113. The next prime is 55856147. The reversal of 55856146 is 64165855.

It can be written as a sum of positive squares in 4 ways, for example, as 21762225 + 34093921 = 4665^2 + 5839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55856099 and 55856108.

It is not an unprimeable number, because it can be changed into a prime (55856147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48910 + ... + 50038.

Almost surely, 2^55856146 is an apocalyptic number.

55856146 is a deficient number, since it is larger than the sum of its proper divisors (30995654).

55856146 is a wasteful number, since it uses less digits than its factorization.

55856146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013.

The product of its digits is 144000, while the sum is 40.

The square root of 55856146 is about 7473.6969432805. The cubic root of 55856146 is about 382.2583570651.

The spelling of 55856146 in words is "fifty-five million, eight hundred fifty-six thousand, one hundred forty-six".